repoer: vallejo mayor cas the tchinof his law ofce malicious and cowardly act. fire occurred around 1:30 saturday morning leaving the building of burned out a shell. accos this is the latest in a string of attacks. at this office and at his home, including someone breaking windows, dumping trash and stealing his motorcycle from city hall. >> i will say that the number of acts of vandalism i have been subjected to over the recent past causes me to believe that this incident is related to my position as mayor and not as my position as an attorney. >> reporter: neither the mayor nor investigators will publicly speculate about why he is being targeted. davis has recently been confronted with anger over several officer involved shootings in the city and he last called on the attorney general to investigate. residents supported him. >> i think he is resilient. i am hoping things will go well. >> i think it's unfortunate that criminal elements is running rampant in our city. >> the whole city, it's about safety. >> they have provided extra security for davis and his fa